Home / 46,011.38-68,989.19-30,012.87

Finding the Fourth Proportional to 46,011.38, 68,989.19 and 30,012.87

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Solution

The fourth proportional to 46,011.38, 68,989.19 and 30,012.87 is: 45,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,011.38 : 68,989.19 = 30,012.87 : x
  2. Step 2: Convert to fraction form
    46,011.38/68,989.19 = 30,012.87/x
  3. Step 3: Cross multiply
    46,011.38x = 68,989.19 × 30,012.87
  4. Step 4: Simplify right side
    46,011.38x = 2,070,563,590.88
  5. Step 5: Solve for x
    x = 2,070,563,590.88/46,011.38
  6. Step 6: Final answer
    x = 45,001.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.